question 7\n1 gram h₂o = ___ milliliters of h...
question 7\n1 gram h₂o = ___ milliliters of h₂o\n\nquestion 8\nfor the number 4.5 × 10⁶, which represents the base?\na. 6\nb. 4.5\nc. 10\nd. 4.5 × 10
Answer
### Question 7
# Explanation:
## Step1: Recall density formula
Density $\rho=\frac{m}{V}$, for water at standard - conditions, $\rho = 1\ g/mL$.
## Step2: Rearrange for volume
$V=\frac{m}{\rho}$, substituting $m = 1\ g$ and $\rho=1\ g/mL$, we get $V=\frac{1\ g}{1\ g/mL}=1\ mL$.
# Answer:
1
### Question 8
# Brief Explanations:
In scientific notation $a\times10^{n}$, the base of the exponential part is 10.
# Answer:
C. 10